$172+ Cheap flights from Sky Harbor Intl (PHX) to Boston (BOS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOS
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to Boston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Boston Logan Intl are usually found in January or February, booked 57 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Cheap flight deals from Sky Harbor Intl to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sky Harbor Intl to BostonExplore the most affordable flight options available from Sky Harbor Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
This Frontier deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:12 pm -
1 stop9h 50m
Mon 10/2611:47 am -
1 stop11h 55m
Deal found 8/19![Frontier logo]()
$327
This Expedia deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:13 pm -
1 stop12h 13m
Tue 11/39:03 am -
1 stop11h 13m
Deal found 8/17![Alaska Airlines logo]()
$329
This Cheapflightsfares deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:59 pm -
1 stop9h 13m
Tue 12/812:20 pm -
1 stop12h 29m
Deal found 8/17![JetBlue logo]()
$330
This Travelocity deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:12 pm -
1 stop9h 50m
Tue 10/278:00 pm -
Nonstop6h 03m
Deal found 8/18![Multiple Airlines logo]()
$331
This Trip.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:22 am -
1 stop11h 32m
Mon 9/217:12 am -
1 stop12h 30m
Deal found 8/18![Alaska Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:12 am -
1 stop16h 16m
Tue 11/37:03 am -
1 stop11h 07m
Deal found 8/17![Alaska Airlines logo]()
$333
This Flysmarter deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:32 pm -
1 stop7h 29m
Sat 9/265:15 am -
1 stop10h 16m
Deal found 8/17![JetBlue logo]()
$335
This Faresmojo deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:05 am -
1 stop8h 01m
Fri 11/278:30 am -
Nonstop5h 55m
Deal found 8/18![JetBlue logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:05 pm -
1 stop13h 04m
Mon 9/217:59 pm -
1 stop17h 29m
Deal found 8/17![Alaska Airlines logo]()
$339
This CheapOair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:12 pm -
1 stop9h 50m
Mon 10/268:00 pm -
Nonstop6h 03m
Deal found 8/17![Multiple Airlines logo]()
$341
This Travelocity deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:12 pm -
1 stop9h 50m
Mon 10/268:00 pm -
Nonstop6h 03m
Deal found 8/16![Multiple Airlines logo]()
$342
Best flights from Sky Harbor Intl to BostonDiscover carefully curated flight deals from Sky Harbor Intl to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:13 pm -
1 stop14h 34m
Mon 9/217:59 pm -
1 stop17h 29m
Deal found 8/18![Alaska Airlines logo]()
$336
This Southwest deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:50 am -
1 stop9h 40m
Tue 10/63:50 pm -
1 stop9h 45m
Deal found 8/20![Southwest logo]()
$399
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:17 pm -
Nonstop5h 03m
Mon 9/217:55 am -
1 stop11h 40m
Deal found 8/17![Delta logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:38 am -
1 stop18h 50m
Mon 11/29:03 am -
1 stop11h 13m
Deal found 8/16![Alaska Airlines logo]()
$370
This Southwest deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:45 pm -
1 stop8h 45m
Thu 9/245:00 am -
1 stop11h 00m
Deal found 8/20![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:23 pm -
Nonstop5h 07m
Fri 10/166:10 pm -
Nonstop5h 43m
Deal found 8/20![Delta logo]()
$406
This Alaska Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:37 pm -
1 stop9h 35m
Wed 10/77:51 am -
1 stop10h 09m
Deal found 8/19![Alaska Airlines logo]()
$393
This Southwest deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:25 pm -
1 stop6h 45m
Sun 11/15:10 am -
2 stops10h 25m
Deal found 8/16![Southwest logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:02 am -
1 stop16h 07m
Wed 9/239:33 am -
2 stops12h 34m
Deal found 8/18![Alaska Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:35 am -
2 stops8h 35m
Wed 10/75:30 pm -
1 stop7h 45m
Deal found 8/19![Southwest logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:38 am -
2 stops13h 21m
Mon 10/267:51 am -
1 stop10h 09m
Deal found 8/16![Alaska Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:40 am -
2 stops8h 15m
Mon 9/145:50 pm -
1 stop7h 10m
Deal found 8/21![Southwest logo]()
$428
Last-minute flights from Sky Harbor Intl to BostonDiscover last-minute flight deals from Sky Harbor Intl to Boston. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Boston. Data last updated August 21, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:32 pm -
1 stop7h 29m
Sat 9/128:00 am -
1 stop9h 33m
Deal found 8/18![Multiple Airlines logo]()
$348
This eDestinos deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:25 am -
2 stops24h 57m
Wed 9/167:12 am -
1 stop10h 58m
Deal found 8/20![Multiple Airlines logo]()
$349
This Expedia deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:32 pm -
1 stop7h 29m
Mon 9/147:59 pm -
1 stop17h 29m
Deal found 8/21![Multiple Airlines logo]()
$344
This Priceline deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:15 pm -
1 stop11h 32m
Wed 9/165:15 am -
1 stop10h 16m
Deal found 8/20![Multiple Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:05 pm -
1 stop13h 04m
Mon 9/217:59 pm -
1 stop17h 29m
Deal found 8/17![Alaska Airlines logo]()
$339
This Faresmojo deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:17 pm -
Nonstop5h 03m
Sat 9/195:50 pm -
Nonstop5h 32m
Deal found 8/19![JetBlue logo]()
$347
This Trip.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:22 am -
1 stop11h 32m
Mon 9/217:12 am -
1 stop12h 30m
Deal found 8/18![Alaska Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:13 pm -
1 stop14h 34m
Wed 9/239:33 am -
1 stop11h 02m
Deal found 8/18![Alaska Airlines logo]()
$336
This Trip.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:38 pm -
1 stop10h 01m
Sat 9/267:12 am -
1 stop10h 58m
Deal found 8/19![Alaska Airlines logo]()
$331
This Flysmarter deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:32 pm -
1 stop7h 29m
Sat 9/265:15 am -
1 stop10h 16m
Deal found 8/17![JetBlue logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:45 pm -
1 stop9h 24m
Tue 9/297:12 am -
1 stop12h 30m
Deal found 8/17![Alaska Airlines logo]()
$333
One-way flights from Sky Harbor Intl to BostonSearch for one-way flight options from Sky Harbor Intl to Boston. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from Sky Harbor Intl to Boston. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This Expedia deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:15 pm -
1 stop11h 32m
Deal found 8/17![Alaska Airlines logo]()
$172
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:02 am -
1 stop20h 07m
Deal found 8/17![Alaska Airlines logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:25 pm -
1 stop30h 56m
Deal found 8/19![Alaska Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:04 pm -
2 stops42h 25m
Deal found 8/19![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:15 am -
2 stops23h 14m
Deal found 8/16![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:35 am -
2 stops24h 15m
Deal found 8/18![Frontier logo]()
$183
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:08 am -
1 stop19h 39m
Deal found 8/17![Alaska Airlines logo]()
$187
This Super.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:06 pm -
1 stop9h 27m
Deal found 8/18![JetBlue logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:57 pm -
2 stops36h 25m
Deal found 8/19![Frontier logo]()
$190
This Priceline deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:12 pm -
1 stop9h 50m
Deal found 8/17![Frontier logo]()
$191
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:21 pm -
1 stop7h 49m
Deal found 8/18![United Airlines logo]()
$192
Find flight deals from Sky Harbor Intl to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $327 (Frontier) |
One-way from | $172 (Expedia) |
Popular in | July |
Cheapest in | January |
Average price | $393 |
Good round-trip deal | $376 or less |
Good one-way deal | $208 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 21, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixBoston
PHX Phoenix Sky Harbor Intl - BOS Boston Logan Intl
PHXBOS
Phoenix Sky Harbor Intl
Fri 9/18
12:13 pm-5:47 am
1 stop14h 34m
Boston Logan Intl
Mon 9/21
7:59 pm-10:28 am
1 stop17h 29m
$336
PhoenixBoston
PHX Phoenix Sky Harbor Intl - BOS Boston Logan Intl
PHXBOS
Phoenix Sky Harbor Intl
Fri 10/30
7:38 am-5:28 am
1 stop18h 50m
Boston Logan Intl
Mon 11/2
9:03 am-6:16 pm
1 stop11h 13m
$370
PhoenixBoston
PHX Phoenix Sky Harbor Intl - BOS Boston Logan Intl
PHXBOS
Phoenix Sky Harbor Intl
Tue 10/6
5:37 pm-6:12 am
1 stop9h 35m
Boston Logan Intl
Wed 10/7
7:51 am-3:00 pm
1 stop10h 09m
$393
PhoenixBoston
PHX Phoenix Sky Harbor Intl - BOS Boston Logan Intl
PHXBOS
Phoenix Sky Harbor Intl
Tue 9/15
11:02 am-6:09 am
1 stop16h 07m
Boston Logan Intl
Wed 9/23
9:33 am-7:07 pm
2 stops12h 34m
$394
PhoenixBoston
PHX Phoenix Sky Harbor Intl - BOS Boston Logan Intl
PHXBOS
Phoenix Sky Harbor Intl
Wed 9/30
11:50 am-12:30 am
1 stop9h 40m
Boston Logan Intl
Tue 10/6
3:50 pm-10:35 pm
1 stop9h 45m
$399
PhoenixBoston
PHX Phoenix Sky Harbor Intl - BOS Boston Logan Intl
PHXBOS
Phoenix Sky Harbor Intl
Tue 9/15
10:17 pm-6:20 am
Nonstop5h 03m
Boston Logan Intl
Mon 9/21
7:55 am-4:35 pm
1 stop11h 40m
$404
PhoenixBoston
PHX Phoenix Sky Harbor Intl - BOS Boston Logan Intl
PHXBOS
Phoenix Sky Harbor Intl
Mon 9/21
12:45 pm-12:30 am
1 stop8h 45m
Boston Logan Intl
Thu 9/24
5:00 am-1:00 pm
1 stop11h 00m
$404
Quickest round-trip
PhoenixBoston
PHX Phoenix Sky Harbor Intl - BOS Boston Logan Intl
PHXBOS
Phoenix Sky Harbor Intl
Wed 10/14
10:23 pm-6:30 am
Nonstop5h 07m
Boston Logan Intl
Fri 10/16
6:10 pm-8:53 pm
Nonstop5h 43m
$406
PhoenixBoston
PHX Phoenix Sky Harbor Intl - BOS Boston Logan Intl
PHXBOS
Phoenix Sky Harbor Intl
Sat 10/24
7:38 am-11:59 pm
2 stops13h 21m
Boston Logan Intl
Mon 10/26
7:51 am-3:00 pm
1 stop10h 09m
$416
PhoenixBoston
PHX Phoenix Sky Harbor Intl - BOS Boston Logan Intl
PHXBOS
Phoenix Sky Harbor Intl
Thu 10/29
1:25 pm-11:10 pm
1 stop6h 45m
Boston Logan Intl
Sun 11/1
5:10 am-1:35 pm
2 stops10h 25m
$418
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Sky Harbor Intl to Boston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Boston in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Sky Harbor Intl to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Sky Harbor Intl with our price prediction graph.
PHX-BOS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Boston
Prices
Airlines
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Boston?
Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix Sky Harbor Intl Airport to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Boston?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Boston (average of $241). Flying from Phoenix Sky Harbor Intl Airport to Boston in July is currently the most expensive (average of $478). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PHX to BOS?
Find hourly flight availability from Sky Harbor Intl to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 29% on flights from Phoenix Sky Harbor Intl Airport to Boston by exploring options for tickets in the evening.
What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Boston?
Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Boston. Price data was last updated on August 15, 2026.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Boston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated August 21, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Phoenix Sky Harbor Intl Airport to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Seekonk
Cranston
Dedham
Warwick
Peabody
Auburn
Chelsea
York Beach
Londonderry
Revere
Fitchburg
Swansea
North Falmouth
Braintree
Sandwich
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Alternative routes for Sky Harbor Intl to Boston
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Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Sky Harbor Intl to Boston by cabin class
Find flights from Sky Harbor Intl to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Sky Harbor Intl and Boston flights
Browse other Sky Harbor Intl and Boston flight options. Last updated on August 21, 2026.
Other flights from Sky Harbor Intl
Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Sky Harbor Intl to Boston
Discover the top 6 airlines that operate flights from Sky Harbor Intl to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$70 | Average$183 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$287 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$234 | Average$330 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$434 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$260 | Average$425 | FlexibilityNo cancel fee | On-time63% |